发布于 2015-09-14 14:53:38 | 113 次阅读 | 评论: 0 | 来源: 网络整理
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Apply function to each document visited by the cursor, and collect the return values from successive application into an array. Consider the following example:
db.users.find().map( function(u) { return u.name; } );
也可以参考
cursor.forEach() for similar functionality.